Issued: May 18, 1999 Prepared by: Martin] No. 19- 99 The following is a list of significant earthquakes during the time period May 10- May 16, 1999 May 11 at 04:22 UTC (May 10, 08:22 pm ADT), ML 5.1, 53 N 35', 165 W 24', depth = 51 km (32 mi): A moderate earthquake, felt in Akatan and Unalaska, was located in the Fox Islands region of Alaska about 41 mi ( 65 km) SSE of Akutan 50 mi ( 81 km) ESE of Dutch Harbor 50 mi ( 81 km) ESE of Unalaska 119 mi (192 km) SW of False Pass 151 mi (243 km) ENE of Nikolski May 11 at 22:09 UTC (02:09 pm ADT), ML 4.2, 56 N 13', 159 W 19', depth = 121 km (75 mi): A light earthquake was located in the Alaska Peninsula region of Alaska about 22 mi ( 36 km) NNW of Perryville 32 mi ( 52 km) WSW of Chignik Lagoon 35 mi ( 57 km) W of Chignik 54 mi ( 88 km) SSW of Port Heiden 75 mi (120 km) ENE of Nelson Lagoon May 14 at 11:44 UTC (03:44 am ADT), mb 3.9, 51 N 9', 179 E 26', depth = 52 km (33 mi): A minor earthquake was located by NEIC in the Rat Islands region of Alaska about 32 mi ( 51 km) SE of Amchitka 171 mi (276 km) ESE of Buldir Is 176 mi (284 km) WSW of Adak 251 mi (404 km) ESE of Shemya Is 283 mi (456 km) WSW of Atka May 16 at 00:50 UTC (May 15, 04:50 pm ADT), ML 4.0, 61 N 46', 150 W 49', depth = 66 km (41 mi): A light earthquake was located in the Cook Inlet region of Alaska about 18 mi ( 29 km) SE of Skwentna 26 mi ( 41 km) W of Willow 45 mi ( 72 km) SSW of Talkeetna 47 mi ( 76 km) WNW of Wasilla 48 mi ( 78 km) NW of Anchorage May 16 at 09:12:20 UTC ( 01:12 am ADT), ML 3.7, 62 N 03', 150 W 17', depth = 18km (11 mi): A light earthquake, felt strongly in Talkeetna, was located in the central region of Alaska about 19 miles ( 31 km ) SSW of Talkeetna 23 miles ( 37 km ) NNW of Willow 30 miles ( 48 km ) ENE of Skwentna 37 miles ( 60 km ) WNW of Hatcher Pass 43 miles ( 69 km ) NW of Wasilla _______________________________________________________________________________________________________________________________________________________ DATE TIME LATITUDE LONGITUDE DEPTH PREF. RMS SEH SEZ GAP PHASES MIN Q T REGION, OTHER MAGNITUDES, FELT REPORTS AND COMMENTS YEAR MO DY HR MN SEC DEG MIN DEG MIN KM MAG SEC. KM KM DEG P S DIS _______________________________________________________________________________________________________________________________________________________ 1999 5 10 4 54 4.70 59 38.11N 153 26.27W 114.5 2.5 0.11 2.74 3.63 89 13 8 12 B E COOK INLET. 1999 5 10 7 3 1.93 54 29.07N 163 41.17W 114.0 3.1 0.46 3.13 1.36 195 19 9 18 B E UNIMAK IS. 1999 5 10 7 36 42.68 62 55.34N 149 31.30W 80.0 2.9 0.20 0.90 1.12 59 16 6 8 A E CENTRAL AK. 1999 5 10 8 43 14.01 62 50.43N 150 29.54W 87.7 2.4 0.23 1.31 2.54 178 14 9 46 B E CENTRAL AK. 1999 5 10 10 1 55.62 53 51.28N 165 38.32W 73.2 3.4 0.37 6.73 2.85 212 15 9 29 C E FOX ISLS. 1999 5 10 10 6 8.77 60 37.86N 145 8.73W 2.2 1.5 0.44 2.53 3.13 111 13 6 34 B E PR WILLIAM SOUND. 1999 5 10 10 40 56.34 62 19.03N 149 14.09W 50.0 2.0 0.37 1.67 2.38 76 15 9 54 A E CENTRAL AK. 1999 5 10 15 22 57.88 54 35.26N 162 34.25W 8.0 2.7 0.50 1.49 1.32 192 14 10 47 A E ALASKA PEN. 1999 5 10 16 23 53.62 53 46.68N 163 57.55W 17.4 3.1 0.21 7.12 15.09 245 16 7 87 D E UNIMAK IS. 1999 5 10 22 3 14.14 59 45.90N 151 47.04W 13.4 1.8 0.11 14.39 23.02 319 4 4 75 D E KENAI PEN. 1999 5 10 23 8 43.83 61 58.42N 149 47.35W 6.8 1.3 0.53 1.05 1.43 145 12 11 36 A E COOK INLET. 1999 5 11 4 1 15.17 61 37.01N 149 58.86W 37.0 2.1 0.29 1.37 1.65 53 16 11 7 A E COOK INLET. 1999 5 11 4 14 2.34 60 16.23N 151 44.22W 64.8 2.2 0.25 2.19 5.65 82 15 13 59 C E KENAI PEN. 1999 5 11 4 22 3.33 53 35.45N 165 24.23W 50.8 5.1 0.31 5.80 6.14 220 20 5 61 C E FOX ISLS. 1999 5 11 5 31 47.85 53 33.03N 165 19.06W 58.2 2.9 0.40 7.46 9.49 261 18 13 67 C E FOX ISLS. 1999 5 11 6 34 56.25 61 50.69N 149 58.93W 45.2 1.7 0.29 2.42 3.63 159 14 10 22 B E COOK INLET. 1999 5 11 6 43 49.94 60 21.44N 152 38.30W 103.2 1.6 0.33 2.92 3.54 90 16 8 10 B E COOK INLET. 1999 5 11 6 45 15.01 61 41.88N 146 32.73W 19.8 3.0 0.24 0.73 9.69 54 17 8 40 C E PR WILLIAM SOUND. 1999 5 11 7 46 19.36 60 11.92N 152 25.58W 98.5 2.2 0.17 1.96 3.42 76 16 10 31 B E COOK INLET. 1999 5 11 7 50 9.69 62 52.81N 150 29.16W 97.8 1.9 0.17 3.25 3.95 71 18 6 45 B E CENTRAL AK. 1999 5 11 9 47 52.13 59 48.20N 153 18.17W 118.2 2.5 0.13 2.76 2.96 77 20 12 17 B E COOK INLET. 1999 5 11 9 55 10.57 60 42.21N 147 29.39W 16.4 1.5 0.23 1.09 3.46 74 17 8 29 B E PR WILLIAM SOUND. 1999 5 11 14 53 15.04 57 52.29N 156 43.28W 0.0 3.4 0.69 2.01 1.13 162 14 5 66 A E ALASKA PEN. 1999 5 11 15 13 14.80 61 19.40N 145 31.59W 21.4 1.4 0.19 1.30 2.05 102 12 3 25 A E PR WILLIAM SOUND. 1999 5 11 15 32 6.34 64 47.31N 147 29.92W 20.2 1.9 0.18 0.53 0.88 74 13 9 20 A E CENTRAL AK. 1999 5 11 16 19 25.99 60 14.19N 146 59.39W 0.0 1.6 0.38 2.06 1.52 161 15 10 32 A E PR WILLIAM SOUND. 1999 5 11 22 5 50.14 54 35.30N 161 35.34W 18.2 2.6 0.20 2.60 7.44 209 17 14 60 C E ALASKA PEN. 1999 5 11 22 9 53.07 56 12.99N 159 18.62W 120.6 4.2 0.22 4.15 8.59 163 16 6 107 C E ALASKA PEN. 1999 5 12 3 22 6.40 60 42.23N 151 55.61W 68.8 1.8 0.30 2.08 2.26 151 13 8 38 A E KENAI PEN. 1999 5 12 9 5 34.85 61 41.24N 146 30.40W 17.0 3.1 0.16 0.76 2.16 53 15 7 46 A E PR WILLIAM SOUND. 1999 5 12 9 36 8.11 61 56.24N 148 26.57W 37.9 0.7 0.25 1.48 1.85 161 10 4 16 A E PR WILLIAM SOUND. 1999 5 12 10 9 12.85 61 42.60N 146 32.48W 29.5 1.6 0.34 0.77 2.64 56 19 7 41 B E PR WILLIAM SOUND. 1999 5 12 13 7 45.36 53 47.93N 164 4.89W 19.6 2.8 0.16 4.81 12.65 233 18 6 82 D E UNIMAK IS. 1999 5 12 14 8 16.00 60 49.16N 152 1.34W 86.8 2.8 0.17 2.42 2.73 60 17 10 44 B E COOK INLET. 1999 5 12 14 36 13.23 60 21.47N 147 14.77W 13.6 1.5 0.20 0.69 2.39 136 15 12 41 A E PR WILLIAM SOUND. 1999 5 12 14 39 30.06 62 12.62N 150 23.79W 14.4 2.8 0.39 2.17 1.49 63 17 9 23 A E CENTRAL AK. 1999 5 12 15 1 41.54 62 6.06N 147 27.35W 30.0 1.2 0.33 1.68 2.83 165 15 6 31 B E CENTRAL AK. 1999 5 12 15 30 26.66 59 58.14N 152 40.76W 102.5 2.2 0.23 1.26 1.11 93 11 10 20 A E COOK INLET. 1999 5 12 16 59 56.12 61 17.26N 149 43.16W 45.5 1.1 0.15 1.43 1.89 103 11 5 10 A E COOK INLET. 1999 5 12 17 53 35.76 61 54.05N 149 8.48W 14.9 0.3 0.25 1.18 0.73 140 8 4 18 A E COOK INLET. 1999 5 12 20 23 18.51 60 53.72N 147 12.21W 22.4 1.4 0.21 1.37 1.89 66 14 8 6 A E PR WILLIAM SOUND. 1999 5 12 20 45 0.37 60 3.60N 152 43.56W 85.9 2.1 0.24 2.77 3.48 105 11 8 13 B E COOK INLET. 1999 5 12 22 7 57.76 55 17.62N 158 4.33W 10.0 3.4 0.23 18.06 19.02 228 16 8 136 D E ALASKA PEN. 1999 5 12 23 52 14.07 53 45.92N 166 1.43W 85.6 2.7 0.32 11.10 4.23 224 17 9 33 D E FOX ISLS. 1999 5 13 0 21 36.14 60 16.37N 151 1.31W 62.8 2.0 0.13 1.09 3.73 104 16 12 57 B E KENAI PEN. 1999 5 13 1 7 41.42 61 31.83N 147 47.33W 34.3 1.1 0.15 4.01 9.63 67 10 3 38 C E PR WILLIAM SOUND. 1999 5 13 1 41 0.05 61 59.78N 149 31.82W 40.9 1.1 0.27 3.33 4.14 124 11 7 41 B E COOK INLET. 1999 5 13 4 34 48.69 61 39.68N 149 59.15W 36.9 1.7 0.35 2.06 1.77 63 21 13 6 A E COOK INLET. 1999 5 13 5 26 14.07 60 13.18N 152 49.10W 1.6 1.1 0.13 1.33 65.13 196 11 10 17 D E COOK INLET. 1999 5 13 6 6 45.61 61 4.80N 146 48.67W 8.5 0.3 0.53 1.39 1.12 191 8 4 12 A E PR WILLIAM SOUND. _______________________________________________________________________________________________________________________________________________________ DATE TIME LATITUDE LONGITUDE DEPTH PREF. RMS SEH SEZ GAP PHASES MIN Q T REGION, OTHER MAGNITUDES, FELT REPORTS AND COMMENTS YEAR MO DY HR MN SEC DEG MIN DEG MIN KM MAG SEC. KM KM DEG P S DIS _______________________________________________________________________________________________________________________________________________________ 1999 5 13 6 37 19.43 61 51.55N 150 40.57W 59.7 2.3 0.48 2.76 6.68 71 18 13 48 C E COOK INLET. 1999 5 13 7 30 4.96 60 33.96N 152 47.05W 114.6 2.1 0.23 4.18 4.86 90 17 7 5 B E COOK INLET. 1999 5 13 8 1 29.93 61 47.86N 149 41.04W 42.0 1.6 0.35 2.34 3.25 62 18 8 19 B E COOK INLET. 1999 5 13 11 9 28.25 61 9.69N 150 55.25W 56.9 2.1 0.35 1.47 1.83 134 15 7 40 A E COOK INLET. 1999 5 13 11 42 19.78 62 9.28N 149 42.73W 56.3 1.8 0.29 1.26 1.93 90 16 8 40 A E CENTRAL AK. 1999 5 13 13 19 42.32 60 28.54N 147 29.59W 12.6 0.5 0.10 1.11 4.98 143 7 3 50 B E PR WILLIAM SOUND. 1999 5 13 13 26 56.48 60 25.88N 150 46.02W 32.1 1.8 0.23 0.80 2.23 81 12 6 43 A E KENAI PEN. 1999 5 13 13 45 43.77 59 53.17N 152 55.51W 118.7 2.4 0.33 3.25 1.97 59 15 10 11 B E COOK INLET. 1999 5 13 14 38 29.48 61 46.12N 146 30.79W 18.9 1.3 0.45 1.35 1.91 106 13 5 42 A E PR WILLIAM SOUND. 1999 5 13 14 58 31.33 54 25.70N 161 31.98W 15.0 2.4 0.20 9.33 13.90 225 15 8 76 D E ALASKA PEN. 1999 5 13 15 0 29.45 60 13.57N 152 52.22W 116.6 2.3 0.24 1.31 1.58 67 16 8 17 A E COOK INLET. 1999 5 13 16 46 4.97 61 10.33N 152 25.91W 22.6 1.9 0.22 2.64 1.92 130 13 7 66 B E COOK INLET. 1999 5 13 17 46 12.48 61 31.47N 146 24.35W 33.9 1.8 0.26 2.11 4.90 65 15 4 26 B E PR WILLIAM SOUND. 1999 5 13 19 38 18.56 60 58.20N 146 55.94W 21.4 1.4 0.26 0.88 1.10 77 14 8 13 A E PR WILLIAM SOUND. 1999 5 13 20 2 9.03 53 29.90N 168 36.12W 0.0 3.2 0.41 29.06 20.87 349 16 6 115 D E FOX ISLS. 1999 5 13 20 13 8.61 62 1.78N 146 58.29W 39.5 1.3 0.26 1.97 2.98 95 15 11 29 B E CENTRAL AK. 1999 5 13 22 1 43.91 57 22.64N 146 13.10W 10.0G 2.5 0.17 16.95 32.27 248 16 5 303 D E GULF OF ALASKA. 1999 5 13 22 4 48.34 60 38.70N 150 56.86W 43.2 3.4 0.24 1.35 2.35 78 20 13 19 A E KENAI PEN. 1999 5 13 22 23 1.84 60 2.51N 151 30.31W 55.2 1.8 0.23 2.33 6.09 95 14 9 46 C E KENAI PEN. 1999 5 13 22 38 1.72 61 1.37N 146 30.79W 18.1 0.8 0.27 1.40 0.90 100 12 5 6 A E PR WILLIAM SOUND. 1999 5 13 22 53 29.94 53 54.63N 164 16.56W 14.7 2.4 0.18 4.62 6.66 204 15 5 66 C E UNIMAK IS. 1999 5 13 23 37 24.46 63 24.43N 151 45.97W 10.0 2.9 0.31 3.02 1.95 117 11 9 45 B E CENTRAL AK. 1999 5 14 4 6 6.08 62 10.45N 149 21.12W 41.8 2.1 0.29 1.74 4.66 93 14 9 50 B E CENTRAL AK. 1999 5 14 4 12 5.04 60 33.07N 149 35.21W 38.5 1.6 0.20 1.67 2.22 100 16 9 14 A E KENAI PEN. 1999 5 14 4 51 16.33 54 1.25N 164 18.09W 18.1 3.1 0.15 1.78 2.55 236 17 17 54 B E UNIMAK IS. 1999 5 14 7 57 46.93 61 36.44N 148 18.26W 14.8 1.0 0.17 1.08 1.14 67 15 8 22 A E PR WILLIAM SOUND. 1999 5 14 7 58 26.67 64 33.12N 147 8.66W 1.6 -0.1 0.06 1.84 53.77 123 7 4 18 D E CENTRAL AK. 1999 5 14 11 11 3.23 60 3.77N 152 14.46W 66.8 1.9 0.27 1.06 2.71 79 15 12 40 B E COOK INLET. 1999 5 14 11 44 17.11 51 9.42N 179 25.62E 52.4* 3.9mb R RAT ISLS. 1999 5 14 14 50 18.44 60 9.27N 153 25.08W 144.6 2.6 0.24 2.47 3.65 85 18 9 22 B E COOK INLET. 1999 5 14 18 21 10.60 60 59.06N 146 45.37W 7.7 0.9 0.25 1.18 1.46 90 10 5 12 A E PR WILLIAM SOUND. 1999 5 14 20 56 20.74 61 58.32N 149 53.96W 39.8 1.1 0.34 2.96 4.83 67 16 8 36 B E COOK INLET. 1999 5 14 21 45 43.98 61 36.37N 149 50.27W 34.5 1.7 0.27 1.99 3.07 62 17 10 5 B E COOK INLET. 1999 5 14 22 14 19.72 62 38.28N 151 11.70W 90.5 2.1 0.24 2.76 3.74 89 18 10 54 B E CENTRAL AK. 1999 5 15 0 4 38.39 59 24.57N 152 52.03W 89.4 2.7 0.22 1.34 2.85 81 16 14 32 B E COOK INLET. 1999 5 15 0 53 25.44 61 18.14N 146 30.26W 33.3 1.1 0.19 1.05 1.99 92 10 7 21 A E PR WILLIAM SOUND. 1999 5 15 2 35 21.55 60 5.49N 153 24.03W 135.0 2.3 0.25 2.60 1.52 81 10 8 19 B E COOK INLET. 1999 5 15 2 47 10.14 61 16.34N 146 39.65W 28.2 1.6 0.28 0.72 1.37 87 15 12 24 A E PR WILLIAM SOUND. 1999 5 15 5 37 10.60 63 52.76N 149 2.42W 105.5 1.9 0.08 8.16 6.52 269 8 3 39 C E CENTRAL AK. 1999 5 15 7 53 25.90 60 46.31N 150 14.04W 17.8 1.1 0.37 1.14 1.77 97 13 7 44 A E KENAI PEN. 1999 5 15 8 31 1.38 59 56.69N 152 12.67W 72.1 2.6 0.32 1.28 2.06 79 14 9 44 A E COOK INLET. 1999 5 15 8 47 45.70 61 32.47N 146 31.13W 32.1 1.6 0.27 0.59 1.60 68 9 7 32 A E PR WILLIAM SOUND. 1999 5 15 8 47 45.61 61 32.09N 146 28.01W 29.7 1.8 0.39 0.53 2.80 67 11 7 29 B E PR WILLIAM SOUND. 1999 5 15 10 29 17.60 59 25.05N 152 46.25W 73.6 1.3 0.17 7.31 3.98 234 9 5 37 C E COOK INLET. 1999 5 15 13 0 53.26 61 0.16N 147 24.53W 11.6 1.3 0.57 0.52 0.68 64 12 9 22 A E PR WILLIAM SOUND. 1999 5 15 13 6 32.64 60 58.90N 146 28.38W 20.0 0.8 0.35 2.44 1.92 124 9 4 11 A E PR WILLIAM SOUND. 1999 5 15 17 39 38.64 59 26.42N 152 35.32W 79.0 2.3 0.16 0.79 2.16 91 14 8 43 A E COOK INLET. 1999 5 15 20 24 43.42 60 9.94N 140 57.95W 8.6 1.5 0.40 2.33 2.43 113 7 5 14 A E YAKUTAT BAY. 1999 5 15 21 20 36.61 61 4.68N 151 22.93W 88.0 2.2 0.29 1.99 2.80 145 13 8 66 B E COOK INLET. 1999 5 15 22 56 27.28 60 42.27N 151 5.51W 65.3 2.1 0.19 1.58 3.42 105 14 10 9 B E KENAI PEN.